Write a program that takes quarterly sales for an organization $($in thousands of dollars$)$ over a year and calculates the total sales. The output should change according to the sales entered. Check whether total sales are low $($under $$50,000,$ medium or higher and under $$150K),$ or high $($ $$150K$ or higher$).$ Also, print a warning message in the event that sales are under $$20K.$ If the sales entered are non$-$numeric, use a try$/$except block to indicate that the application only takes numeric data as input.

Input:

Output:

a$)$ Quarterly sales: $$1000,$$$2500,$$$1750,$$$10250$

Total sales: $$15500$

Sales: low

Warning: Need to improve sales

b$)$ All sales should be numeric.

c$)$ Quarterly sales: $$10000,$$$17500,$$$14750,$$$10250$

Total sales: $$52500$

Sales: med